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THE TEMPORAL PROGRAMMING OF DEVELOPMENT IN THE INTERTIDAL CHIRONOMID CLUNIO MARINUS (DIPTERA: CHIRONOMIDAE)*

Published online by Cambridge University Press:  31 May 2012

Dietrich Neumann
Affiliation:
Physiological Ecology Section, Department of Zoology, University of Koln, Germany

Abstract

The emergence times of most European Clunio populations are correlated with certain conditions of low tide and time of day which occur together only every 15 days. This temporal programming of development is determined by the combination of two different endogenous rhythms: a semilunar rhythm which controls the beginning of pupation and a circadian rhythm which controls the diurnal emergence time. The paper summarizes the known characteristics of these two physiological clocks and their adaptation to different tidal and photoperiodic conditions in the field.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1971

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